isUsername property
bool
get
isUsername
Checks if string is a valid username.
Implementation
bool get isUsername => matchesRegex(r'^[a-zA-Z0-9][a-zA-Z0-9_.]+[a-zA-Z0-9]$');
isUsername property
Checks if string is a valid username.
bool get isUsername => matchesRegex(r'^[a-zA-Z0-9][a-zA-Z0-9_.]+[a-zA-Z0-9]$');